Home / 1,257,679.39-1,735,540.37-684,718.33

Finding the Fourth Proportional to 1,257,679.39, 1,735,540.37 and 684,718.33

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Solution

The fourth proportional to 1,257,679.39, 1,735,540.37 and 684,718.33 is: 944,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,679.39 : 1,735,540.37 = 684,718.33 : x
  2. Step 2: Convert to fraction form
    1,257,679.39/1,735,540.37 = 684,718.33/x
  3. Step 3: Cross multiply
    1,257,679.39x = 1,735,540.37 × 684,718.33
  4. Step 4: Simplify right side
    1,257,679.39x = 1,188,356,296,031.54
  5. Step 5: Solve for x
    x = 1,188,356,296,031.54/1,257,679.39
  6. Step 6: Final answer
    x = 944,880.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.